I'm guessing you've tried looking up the packages in "Synaptic package manager" or "add remove programs" - doesn't sound likely but worth a look?
Good luck in finding a cure -- The playback of this movie requires the following decoders which are not installed: video/x-asf-unknown decoder Windows Media Speech decode https://bugs.launchpad.net/bugs/301120 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs